Fixed stage costume scaling & misplacing bug

Thanks, Josh, for the report!

3 files changed, 8 insertions, 7 deletions

diff --git a/gui.js b/gui.js
index f7e1237..7419ea7 100644
--- a/gui.js
+++ b/gui.js
@@ -4729,7 +4729,11 @@ SpriteIconMorph.prototype.createThumbnail = function () {
 
     this.thumbnail = new Morph();
     this.thumbnail.setExtent(this.thumbSize);
-    this.thumbnail.image = this.object.fullThumbnail(this.thumbSize);
+    if (this.object instanceof SpriteMorph) { // support nested sprites
+        this.thumbnail.image = this.object.fullThumbnail(this.thumbSize);
+    } else {
+        this.thumbnail.image = this.object.thumbnail(this.thumbSize);
+    }
     this.add(this.thumbnail);
 };
 
diff --git a/history.txt b/history.txt
index 250ba81..2a9e0eb 100755
--- a/history.txt
+++ b/history.txt
@@ -1855,3 +1855,4 @@ ______
 130807
 ------
 * Objects, GUI: Sprite Nesting preliminaries
+* Objects: Fixed stage costume scaling & misplacing bug. Thanks, Josh, for the report!
diff --git a/objects.js b/objects.js
index 0a79cf7..e01494f 100644
--- a/objects.js
+++ b/objects.js
@@ -3551,8 +3551,8 @@ StageMorph.prototype.drawNew = function () {
         ctx.scale(this.scale, this.scale);
         ctx.drawImage(
             this.costume.contents,
-            (this.width() - this.costume.width() * this.scale) / 2,
-            (this.height() - this.costume.height() * this.scale) / 2
+            (this.width() / this.scale - this.costume.width()) / 2,
+            (this.height() / this.scale - this.costume.height()) / 2
         );
     }
 };
@@ -4426,10 +4426,6 @@ StageMorph.prototype.thumbnail = function (extentPoint, excludedSprite) {
     return trg;
 };
 
-StageMorph.prototype.fullThumbnail = function (extentPoint, excludedSprite) {
-    return this.thumbnail(extentPoint, excludedSprite);
-};
-
 // StageMorph cloning overrice
 
 StageMorph.prototype.createClone = nop;